Hyundai Ioniq (AE): Seat Electrical / Seat Heater. Components and components location

Component Location
[Front Seat Heater (Non-Air ventilation)]

1. Seat heater unit (Passenger seat only)
2. Seat chusion heater
3. Seat back (Heater)

[Front Seat Heater (Air ventilation)]

1. Air ventilation unit (Passenger seat only)
2. Seat cushion (Heater)
3. Seat back (Heater)

[Rear Seat Heater]

1. Rear seat heater unit (Passenger seat only)
2. Seat cushion (Heater)

    InspectionSeat Control Switch1.With the power seat switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the power seat switch.

    Circuit Diagram[Front Seat Heater (Non-Air Ventilation)][Rear Seat Heater (Bench Type)]

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Evaporator Temperature Sensor. Description and operation

    DescriptionThe evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Heater Unit. Repair procedures

    Replacement    When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.1.Disconnect the negative (-) battery terminal.2.Recover the refrigerant with a recovery / recycling / charging station.

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